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Charmed states and flavour symmetry breaking

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arxiv 1711.02485 v1 pith:LIASS4V5 submitted 2017-11-07 hep-lat

classification hep-lat
keywords quarkcharmedmassesbreakingflavoursymmetryallowsapproach
verification ladder T0 review T1 audit T2 compute T3 formal
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Extending the SU(3) flavour symmetry breaking expansion from up, down and strange sea quark masses to partially quenched valence quark masses allows an extrapolation to the charm quark mass. This approach leads to a determination of charmed quark hadron masses and decay constants. We describe our recent progress and give preliminary results in particular with regard to the recently discovered doubly charmed baryon by the LHCb Collaboration.

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